High-quality silicone material: These silicone seals for airtight jars are made of high-quality silicone, which is soft and flexible without any special odor. Silicone seals have a long lifespan. They are not only reusable, but also very durable. Good airtightness: The silicone sealing ring has good airtightness and is very easy to use. You just need to replace the old one with our new silicone seals. You can effectively prevent dust and air from entering, keeping your food clean and safe. Easy to clean and use: These replacement rubber rings are soft and flexible, easy to clean. If they become oily, just add a little dish soap and wash them with warm water. (Tip: Clean the rubber seal before first use and let it dry before use.) Sufficient quantity: The set includes 8 white and 8 orange rubber rings for canning jars. A sufficient quantity is enough for daily use. Each replacement rubber ring has an inner diameter of 70 mm and an outer diameter of 95 mm. Suitable for universal size canning jars. They are practical for storing jam, fruit wine, pickles, or fruit. Wide range of uses: the interchangeable rubber rings for jars can be used not only for daily food storage but also for extended food storage. Rubber rings can effectively keep food fresh and intact. These rubber canning rings fit most jars for storing jam, sauces, pickles, vegetables or fruit, etc.